int delay_value = 500;
int filter_delay = 200;
const int kled_pin = 9;
  //a 1 second delay between blinks, pin 9 to handle analog input
const int kcycleButton = 12; //digital pin 12 pushed repeatedly to indicate number of blinks
const int kbutton1 = 7; //digital pin 7
const int kbutton2 = 4; //digital pin 4
const int kbutton3 = 2; //digital pin 2
const int kconfirmButton = 13; //digital pin 13 //button must be pushed to start cycles
int cycles_r = 0; //the number of running cycles
int percent = 0;  //the intensity of the LED
String pass="";

void setup() 
{
   pinMode(kled_pin, OUTPUT);
   pinMode(kcycleButton, INPUT);
   pinMode(kbutton1, INPUT);
   pinMode(kbutton2, INPUT);
   pinMode(kbutton3, INPUT);
   pinMode(kconfirmButton, INPUT); 
   Serial.begin(9600);
}                                                                                                                                                                                                                                                                                            
void loop() 
{ 
   while( digitalRead(kconfirmButton) != 1)
  {
  //count the number of cycles chosen
  counter_cycles();
  //select the intensity of the LED output
  select_percent(); 
  }
    //run the routine    
  run_routine(); 
}

void counter_cycles()
{
        
  //check to see how many time cycleButton is pushed
   if ( digitalRead(kcycleButton) == 1)
    {
      delay(filter_delay);
      cycles_r = cycles_r + 1;
      //cycles_r++;    
      Serial.println(pass+"Cycles= " + cycles_r);
        while (digitalRead(kcycleButton) == 1)
        {}
      
      }
}

void select_percent()  //choose the intensity of the output
{
   
  // intensity 10%
  if ( digitalRead(kbutton1) == 1)
  {
    delay (filter_delay);
    percent = 25;
  }
  
     // intensity 50%
  if ( digitalRead(kbutton2) == 1)
  {
    delay (filter_delay);
    percent = 128;
  }
  
    // intensity 100%
  if ( digitalRead(kbutton3) == 1)
  {
    delay (filter_delay);
    percent = 255;
  }
}

void run_routine()
{
  Serial.println(pass+"Run " + cycles_r + " times with " + percent+ " % of intensity");
  for (int i = 1; i<= cycles_r; i++) 
  {
    //Activate PWM
    analogWrite(kled_pin, percent);
    delay(delay_value);
    //turn off LED
    digitalWrite(kled_pin, 0); 
    delay(delay_value); 
  }
  //Reset Cycles & Percent
  cycles_r = 0;
  percent = 0;
}